Asurvey has been conducted to estimate the usage of high-speed internet in the local area. 167 households were surveyed and asked whether they used high-speed internet at their home. 111 households surveyed responded that they do have a high-speed internet connection at home.
a)calculate the margin of error for the 95% confidence interval for the proportion of households that have a high-speed internet connection. give your answer as a decimal to 3 decimal places. margin of error =b)calculate the 95% confidence interval for the proportion of households that have a high-speed internet connection. give your answers as decimals to 3 decimal places.≤ p ≤